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1420120222 = 21634399923
BaseRepresentation
bin101010010100101…
…0101000010011110
310122222012120201021
41110221111002132
510402022321342
6352530034354
750122552123
oct12451250236
93588176637
101420120222
11669691384
123377189ba
131982a4831
14d686c74a
1584a1b567
hex54a5509e

1420120222 has 16 divisors (see below), whose sum is σ = 2148347520. Its totient is φ = 704025432.

The previous prime is 1420120189. The next prime is 1420120231. The reversal of 1420120222 is 2220210241.

It is a junction number, because it is equal to n+sod(n) for n = 1420120196 and 1420120205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138153 + ... + 148075.

It is an arithmetic number, because the mean of its divisors is an integer number (134271720).

Almost surely, 21420120222 is an apocalyptic number.

1420120222 is a deficient number, since it is larger than the sum of its proper divisors (728227298).

1420120222 is a wasteful number, since it uses less digits than its factorization.

1420120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10527.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1420120222 is about 37684.4825093831. The cubic root of 1420120222 is about 1124.0225840078.

Adding to 1420120222 its reverse (2220210241), we get a palindrome (3640330463).

The spelling of 1420120222 in words is "one billion, four hundred twenty million, one hundred twenty thousand, two hundred twenty-two".

Divisors: 1 2 163 326 439 878 9923 19846 71557 143114 1617449 3234898 4356197 8712394 710060111 1420120222